20211208
15511800
1.0
FALSE
msaPedestrian_State
34847.156000
329932.687400
778079.617100
959485.530200
1
002
Projected
GCS_North_American_1983
Linear Unit: Meter (1.000000)
NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001
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20210824
10593400
20210824
10593400
FGDC
150000000
5000
dataset
Bonnie Polin
Mass DOT Highway Safety and Engineering
Manager
857-368-9639
10 Park Plaza, Suite 7210
Boston
MA
02116
bonnie.polin@dot.state.ma.us
20210824
ArcGIS Metadata
1.0
File Geodatabase Feature Class
Network Screening Pedestrian Safety Risk by Statewide Ranking
2021-03-23
Bonnie Polin, Mass DOT Highway Safety and Engineering, Manager
vector digital data
<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The Network Screening – Systemic/Risk Based data can be used to access and visualize the top risk sites for each of the Strategic Highway Safety Plan emphasis areas based on specific risk factors developed for this emphasis area. The top risk sites are available statewide as well as top risks within each MPO/RPA. Each emphasis area is focused on certain road types so not all roadway segments are included. Details on the specific risk factors and how they were developed for this emphasis area can be found in the MassDOT Network Screening Risk Based Methodology Reports.</SPAN></P></DIV></DIV></DIV>
The risk-based network screening data is based on risk factors identified for many of the emphasis areas of the Strategic Highway Safety Plan. Sites with the greatest risk, ranked based on risk scores which are generated from the number and types of risk factors present, are then visualized. A variety of statistical methods were used to identify the risk factors for each of the emphasis areas This would supplement the crash-based network screening results, allowing agencies to generate safety projects using two justifications: addressing crash “hot spots” (crash-based) and addressing sites with the highest risk of a fatal or injury crash (risk based). This data identifies primary and secondary risk sites for all segments statewide or by MPO/RPA
VHB, MassDOT Highway Traffic Safety
Bonnie Polin
Mass DOT Highway Safety and Engineering
Manager
857-368-9639
10 Park Plaza Suite 7210 Boston MA 02116
Boston
MA
02116
US
bonnie.polin@dot.state.ma.us
IMPACT
ANALYSIS
RISKBASE
IMPACT
ANALYSIS
RISKBASE
Esri ArcGIS 10.7.1.11595
true
-73.521212
-69.909714
42.885994
41.235635
Crash years 2013-2017
2013-01-01
2018-01-01
1
-73.521212
-69.909714
42.885994
41.235635
Measure
Measure
Several sources: Massachusetts Department of Transportation Road Inventory File 2019, 2010 Census data, 2013-2017 RMV crash report data
Several process steps are taken in the data model and analysis used to develop this data available in the methodology reports.
First Edition
Several process steps are taken in the data model and analysis used to develop this data available in the methodology reports.
2021-08-01T00:00:00
92273
EPSG
2.1(3.0.1)
MSA_Pedestrian_Statewide
Pedestrian Statewide Ranked Risk Segments
MassDOT Traffic Safety
Feature Class
92273
OBJECTID
OBJECTID
Internal feature number.
Esri
OID
4
0
0
Sequential unique whole numbers that are automatically generated.
Shape
Shape
Feature geometry.
Esri
Geometry
0
0
0
Coordinates defining the features.
UNIQUE_ID
UNIQUE_ID
Integer
4
0
0
Unique ID used for dissolve
VHB
The set of data values is not represented by a domain
Route_ID
Route ID
A unique identifier assigned to each road in Massachusetts. The Route ID consists of three parts:
A route system identifier, a numeric code, and a directional value (E.g. L000001 NB).
Massachusetts Department of Transportation Office of Transportation Planning
String
16
0
0
The set of data values is not represented by a domain
From_Measure
From Measure
Beginning Point (Milepost as of today) Street From
Massachusetts Department of Transportation Office of Transportation Planning
Double
8
0
0
The set of data values is not represented by a domain
To_Measure
To Measure
End Point (Milepost as of today) Street To
Massachusetts Department of Transportation Office of Transportation Planning
Double
8
0
0
The set of data values is not represented by a domain
Route_System
Route System
"The route system is method of categorization to broadly describe a route
• I = Interstate
• US = US Highway
• SR = State Route
• R = Ramp
• L = Local Route
• B = Bike/Pedestrian Route
• M = Miscellaneous
• N = Non-numbered"
Massachusetts Department of Transportation Office of Transportation Planning
String
3
0
0
The set of data values is not represented by a domain
Route_Number
Route Number
The official route number designation; need not be exclusively numeric (E.g. 1A, 2A, 8A-L)
Massachusetts Department of Transportation Office of Transportation Planning
String
10
0
0
The set of data values is not represented by a domain
Rd_Seg_ID
Road Segment ID
"A legacy identifier from previous versions of the Road Inventory. This field refers to subsections
of road lengths, typically between two intersections."
Massachusetts Department of Transportation Office of Transportation Planning
Integer
4
0
0
The set of data values is not represented by a domain
DistrictNu
District Number
String
80
0
0
The number of the MassDOT Highway District boundary the segment is located within
Massachusetts Department of Transportation Office of Transportation Planning
|dDistrictNu [1 || 2 || 3 || 4 || 5 || 6 || ]|
VHB
Facility
Facility Type
"""Describes the intended function of a road. Facilities with a value less than 7* are included in official statewide road centerline mileage. 1 = Mainline roadway*
• 2 = Roundabout*
• 3 = Tunnel*
• 4 = Doubledeck*
• 5 = Rotary*
• 6 = Causeway*
• 7 = Simple ramp
• 8 = Ramp - NB/EB
• 9 = Ramp - SB/WB
• 10 = Collector - Distributor
• 11 = Simple Ramp - Tunnel
• 12 = Bicycle
• 13 = Private Way
• 14 = Commercial Driveway"""
Massachusetts Department of Transportation Office of Transportation Planning
SmallInteger
2
0
0
|dmFacTypeRisk [Mainline roadway || Roundabout || Tunnel || Doubledeck || Rotary || Causeway || Simple ramp || Ramp - NB/EB || Ramp - SB/WB || Collector - Distributor || Simple Ramp - Tunnel || Bicycle || Private Way || Commercial Driveway || ]|
VHB
F_Class
Functional Class
Functional Class (F_Class) A road classification system used by Massachusetts that incorporates urban/rural census designations and the federal classification system. *The value 4 is no longer used in this field. • 0 = Local • 1 = Interstate • 2 = Urban or Rural Principal Arterial • 3 = Urban Principal or Rural Minor Arterial • 5 = Urban Minor Arterial or Rural Major Collector • 6 = Urban Collector or Rural Minor Collector
Massachusetts Department of Transportation Office of Transportation Planning
SmallInteger
2
0
0
|dmFuncClass [Local || Interstate || Urban or Rural Principal Arterial || Urban Principal or Rural Minor Arterial || Urban Minor Arterial or Rural Major || Urban Collector or Rural Minor Collector || ]|
VHB
Jurisdictn
Jurisdiction
"The owner of a road, usually responsible for maintenance activities and project initiation.
0 = Unaccepted by city or town
• 1 = MassDOT
• 2 = City or Town accepted road
• 3 = Dept. of Conservation and Recreation
• 5 = Massachusetts Port Authority
• 6 = State Park or Forest
• 7 = State Institutional
• 8 = Federal Park or Forest
• 9 = County Institutional
• B = State college or university
• C = US Air Force
• D = US Army Corps of Engineers
• E = Federal Institutional
• F = Other Federal
• G = Federal Bureau of Indian Affairs
• H = Private
• I = US Army
• J = US Navy"
Massachusetts Department of Transportation Office of Transportation Planning
String
1
0
0
|dmJurisdiction [Unaccepted by city or town || MassDOT || City or Town accepted road || Dept. of Conservation and Recreation || n/a || Massachusetts Port Authority || State Park or Forest || State Institutional || Federal Park or Forest || County Institutional || State college or university || US Air Force || US Army Corps of Engineers || Federal Institutional || Other Federal || Federal Bureau of Indian Affairs || Private || US Army || US Navy || ]|
VHB
F_F_Class
Federal Functional Class
SmallInteger
2
0
0
Federal Functional Class (F_F_Class) A general classification system used by the Federal Highway Administration to stratify roads by significance.
1 = Interstate
2 = Principal Arterial - Freeways & Expressways
3 = Principal Arterial - Other
4 = Minor Arterial
5 = Major Collector
6 = Minor Collector
7 = Local
Massachusetts Department of Transportation Office of Transportation Planning
|dmFFuncClass [Interstate || Principal Arterial - Freeways & Expressways || Principal Arterial - Other || Minor Arterial || Major Collector || Minor Collector || Local || ]|
VHB
City
City
"City Numeric ID The city in which a road is located. City ID numbers are assigned alphabetically with Abington as
1 and Yarmouth as 351 with the exception of Aquinnah at 104"
Massachusetts Department of Transportation Office of Transportation Planning
SmallInteger
2
0
0
The set of data values is not represented by a domain
MPO
Metropolitan Planning Organization
The MPO boundary the segment is located within
Massachusetts Department of Transportation Office of Transportation Planning
SmallInteger
2
0
0
|dmMPO [Berkshire Region Metropolitan Planning Organization || Boston Region Metropolitan Planning Organization || Cape Cod Metropolitan Planning Organization || Central MA Metropolitan Planning Organization || Franklin Regional Council of Governments || Martha’s Vineyard Commission || Merrimack Valley Metropolitan Planning Organization || Montachusett Metropolitan Planning Organization || Nantucket Planning and Economic Development Commission || Northern Middlesex Council of Governments || Old Colony Metropolitan Planning Organization || Pioneer Valley Metropolitan Planning Organization || Southeast MA Metropolitan Planning Organization || ]|
VHB
St_Name
Street Name
Street Name
Massachusetts Department of Transportation Office of Transportation Planning
String
100
0
0
The set of data values is not represented by a domain
AADT
AADT
Average annual daily traffic, measured by counting the total number of vehicles in a year and dividing by 365.
Massachusetts Department of Transportation Office of Transportation Planning
Integer
4
0
0
The set of data values is not represented by a domain
MA_EJ_2010
MA_EJ_2010
Two or More MassGIS EJ Flag
VHB
Integer
4
0
0
The set of data values is not represented by a domain
TRANSIT_STOP_25FT
TRANSIT_STOP_25FT
Transit Stop on a Roadway or Segment
VHB
Integer
4
0
0
The set of data values is not represented by a domain
MED_PRESENT
MED_PRESENT
Inverse scoring on whether there is a median present
VHB
Integer
4
0
0
The set of data values is not represented by a domain
PLUS_3_LN
PLUS_3_LN
Three of More lanes in Both Directions
VHB
Integer
4
0
0
The set of data values is not represented by a domain
Med_Type
Median Type
SmallInteger
2
0
0
Type of median on divided roadways. Median types typically reflect the security measures present on them. Positive barrier refers to the specific objects used to deter off-side traffic.
0 = None
1 = Curbed 2 = Positive barrier - Unspecified 3 = Unprotected 4 = Positive barrier – Flexible 5 = Positive barrier – Semi-Rigid 6 = Positive barrier – Rigid
Massachusetts Department of Transportation Office of Transportation Planning
|dMedType [None || Curbed ||Positive barrier - Unspecified ||Unprotected ||Positive barrier – Flexible ||Positive barrier – Semi-Rigid ||Positive barrier – Rigid || ]|
VHB
AADT_9000
AADT_9000
AADT Over 9000
VHB
Integer
4
0
0
The set of data values is not represented by a domain
AADT_15000
AADT_15000
AADT Over 15000
VHB
Integer
4
0
0
The set of data values is not represented by a domain
EMP_DENSE_RANK
EMP_DENSE_RANK
Employment Density
VHB
Double
8
0
0
The set of data values is not represented by a domain
Num_Lanes
Number of Lanes
Integer
4
0
0
Number of travel lanes in any direction of travel on an undivided road. Divided roadways note
number of lanes on the given segment only, using the opposite number of lanes field to identify
the number of lanes in opposing traffic.
Massachusetts Department of Transportation Office of Transportation Planning
The set of data values is not represented by a domain
POP_DENSE_RANK
POP_DENSE_RANK
Population Density
VHB
Double
8
0
0
The set of data values is not represented by a domain
MED_INC_RANK
MED_INC_RANK
Median Household Income
VHB
Double
8
0
0
The set of data values is not represented by a domain
RET_EMP_RANK
RET_EMP_RANK
Ratio of Employment in Accommodation, Food, or Retail
VHB
Double
8
0
0
The set of data values is not represented by a domain
NON_MOT_RANK
NON_MOT_RANK
Commuters that Walk, Bicycle, or Take Transit
VHB
Double
8
0
0
The set of data values is not represented by a domain
BUS_RAIL_DENSE_RANK
BUS_RAIL_DENSE_RANK
Transit Stop Density
VHB
Double
8
0
0
The set of data values is not represented by a domain
RS_RANK
RS_RANK
Segment Ranking – Risk Score Ranking, Statewide
VHB
Double
8
0
0
The set of data values is not represented by a domain
RS_CAT
RS_CAT
Category (Primary or Secondary) – Risk Category, Statewide
VHB
String
255
0
0
The set of data values is not represented by a domain
RS_TOT
RS_TOT
Total Risk Score – Total Risk Score
VHB
Double
8
0
0
The set of data values is not represented by a domain
RS_TOTP
RS_TOTP
Normalized Risk Score – Normalized Risk Score (as a Percentage)
VHB
Double
8
0
0
The set of data values is not represented by a domain
Shldr_Lt_W
Left Shoulder Width
Double
8
0
0
Width of left shoulder measured from the lane closest to the edge of the road, to the end of the
area intended to be used by stopped traffic.
Massachusetts Department of Transportation Office of Transportation Planning
The set of data values is not represented by a domain
Shldr_Rt_W
Right Shoulder Width
Double
8
0
0
Width of right shoulder measured from the lane closest to the edge of the road, to the end of the
area intended to be used by stopped traffic.
Massachusetts Department of Transportation Office of Transportation Planning
The set of data values is not represented by a domain
P_Num_RS
P_Num_RS
Rank Score
VHB
Double
8
0
0
The set of data values is not represented by a domain
Seg_length
Segment Length in Miles
Computed segment length in miles
Massachusetts Department of Transportation Office of Transportation Planning
Double
8
0
0
The set of data values is not represented by a domain
jur_text
jur_text
Jurisdiction description in text
Massachusetts Department of Transportation Office of Transportation Planning
String
255
0
0
The set of data values is not represented by a domain
fc_text
fc_text
Function class description in text
Massachusetts Department of Transportation Office of Transportation Planning
String
255
0
0
The set of data values is not represented by a domain
FIRST_UNIQUE_ID
Unique ID
Integer
4
0
0
Unique ID used for dissolve.
VHB
The set of data values is not represented by a domain
Urban_Type
Urban Type
SmallInteger
2
0
0
This field describes population density based on the 2010 Census delineations of urban areas, urban clusters, and rural populations. 1 = Large Urbanized Area Densely settled territory that contains 200K people or more • 2 = Small Urbanized Area Densely settled territory that contains at least 50K people but fewer than 200K people • 3 = Large Urban Cluster Densely settled territory that contains at least 5K people but fewer than 50K people • 4 = Small Urban Cluster Densely settled territory that contains at least 2.5K people but fewer than 5K people • 5 = Rural
Massachusetts Department of Transportation Office of Transportation Planning
|dUrbanType [Large Urbanized Area Densely settled territory that contains 200K people or more || Small Urbanized Area Densely settled territory that contains at least 50K people but fewer than 200K people || Large Urban Cluster Densely settled territory that contains at least 5K people but fewer than 50K people || Small Urban Cluster Densely settled territory that contains at least 2.5K people but fewer than 5K people || Rural || ]|
VHB
FROMADDRESS
From Address
String
255
0
0
Closest geolocated address to the start of the segment, includes Number, Street Name, and Town Name
VHB
The set of data values is not represented by a domain
TOADDRESS
To Address
String
255
0
0
Closest geolocated address to the end of the segment, includes Number, Street Name, and Town Name
VHB
The set of data values is not represented by a domain
ft_text
ft_text
Facility type description in text
Massachusetts Department of Transportation Office of Transportation Planning
String
255
0
0
The set of data values is not represented by a domain
mpo_text
mpo_text
MPO description in text
Massachusetts Department of Transportation Office of Transportation Planning
String
255
0
0
The set of data values is not represented by a domain
DistrictNa
District Name
The MassDOT Highway district boundary the segment is located within
Massachusetts Department of Transportation Office of Transportation Planning
String
10
0
0
The set of data values is not represented by a domain
TOWN
TOWN
The town boundary the segment is located within
Massachusetts Department of Transportation Office of Transportation Planning
String
21
0
0
The set of data values is not represented by a domain
Shape_Length
Shape Length
Length of feature in internal units.
Esri
Double
8
0
0
Positive real numbers that are automatically generated.
Simple
FALSE
92273
TRUE
TRUE